#ifndef PAIR_SAMPLER_SORTED_H__CMU_
#define PAIR_SAMPLER_SORTED_H__CMU_

#include <vector>
using namespace std;

class pair_sampler_sorted {
public:
	virtual void select_indice(vector<pair<int, double> *> & pair_list, vector<int> & selected_list, int size);
};

class pair_sampler_sorted_once : public pair_sampler_sorted {
public:
	virtual void select_indice(vector<pair<int, double> *> & pair_list, vector<int> & selected_list, int size);
};

#endif